Matthew Garrett ([personal profile] mjg59) wrote 2017-04-09 09:23 am (UTC)

It's actually mildly worse than that. The hub sends an if-modified-since request and is happy to take a 304, so that's all an attacker would need to send. But it's not clear what it would be meaningfully able to do if an attacker just inserted 404s instead, so I suspect the answer remains "Don't lose control of your DNS"

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